<div class="example-focus-monitor">
  <button #element>Focus Monitored Element ({{elementOrigin}})</button>
</div>

<div class="example-focus-monitor">
  <div #subtree>
    <p>Focus Monitored Subtree ({{subtreeOrigin}})</p>
    <button>Child Button 1</button>
    <button>Child Button 2</button>
  </div>
</div>
